GENIUS , Slides / Slider Slippers , Black Size:UK : 7 ~ EURO : 41 A double planetary gear reducer

A double planetary gear reducer with differently shaped gears provides the necessary speed

What makes it stand out from many similar fancies

It works using the same principle of a pneumatic engine where you blow into a special socket or create heat via an ordinary air balloon and the heat powers the device

This model is operational with a motor with rubber band

GENIUS , Slides / Slider Slippers , Black Size:UK : 7 ~ EURO : 41 A double planetary gear reducerGeekdawn brings you these unique printed slides slippers. Choose from multiple variety of designs to quench your Geeky thirst. For chill days, casual outing and beyond, this pair of sliders from Geekdawn are perfect. Slip into 'em for maximum comfort and style! Please refer to the size chart in the product images to avoid any size related confusion. Just in case the size doesn't fit, please place an exchange order and we will replace the t shirt for